This research aims to describe in-service and preservice teachers' perspectives to promote climate change awareness in early childhood education. To engage the study, the respondents join an online interview. This study involved 187 respondents, which separated into two categories: pre-service teachers, in-service teachers, 122 and 65, respectively. This research used a qualitative method. To collect the data, this research uses a structured interview. The data analysis technique used the interactive model of Miles & Huberman with the stages of data collection, data reduction, data presentation, verification, and conclusion drawing. This research revealed no significant difference between teachers and preservice teachers in the perspective of climate change awareness in ECE. Both have diverse ways to express and think about the best thing to pursue climate change awareness in children. Participants also understand how to foster children's awareness using suitable media, learning resources, methods, indoor and outdoor play activities. Besides, participants understand how to assess the learning process to implement climate change awareness in early childhood education.